The 41-year-old actress, who played Madeline Mackenzie on the HBO series, said on Wednesday's episode of Watch What Happens Live that she will return to the show if a new season proves "as good as the first."

The prolific David E. Kelley is up for an Emmy yet again this year for adapting Liane Moriarty's 'Big Little Lies'

Big Little Lies co-starred Nicole Kidman, Shailene Woodley and Zoe Kravitz. Kidman also discussed the possibility of Season 2 while attending the Michael Kors show Wednesday at New York Fashion Week.

"It's still not decided because it is a lot to pull together," the 50-year-old actress told E! News. "The first one was a lot to pull together, so we are sort of not taking it lightly in terms of what it needs."